—Who taught ______ English last year?—Nobody. She taught herself.A. him B. her C. you
-You look so worried, what’s wrong? -More and more people like me begin to worry about the ______ pollution after the haze (雾霾) appeared in Beijing and some other cities in China.
The iPad isn’t ______. It belongs to ______.
Look ! There’s ______ football under the teacher’s desk. Let’s play ________ football, OK?
-I’m going on a trip to Japan after the exam-Really? ___________!
—How often ______ your school sports meeting ______?— Once a year.